<template>
    <div class="icons">
         <swiper :options="swiperOption">
         <swiper-slide v-for="(page,index) of pages" :key="index">
          <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img">
           <img class="icon-img-content" :src="item.imgUrl"/>
          </div>
          <p class="icon-desc">{{item.desc}}</p>
         </div>
        </swiper-slide>
         </swiper>
    </div>
</template>

<script>

export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages: function () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang='stylus' scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
  .icons >>>.swiper-container
        height:0
        padding-bottom:50%
        margin-top .2rem
        .icon
            position:relative
            overflow:hidden
            float:left
            width:25%
            height: 0
            padding-bottom:25%
            text-align:center
            .icon-img
                position: absolute
                top:0
                left:0
                right: 0
                bottom: .44rem
                .icon-img-content
                    height: 100%
            .icon-desc
                position: absolute
                left: 0
                right: 0
                bottom: 0
                color:$textColor
                height: .44rem
                line-height: .44rem
                ellipsis()
</style>
